From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33548) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBPzY-0004JG-Mq for qemu-devel@nongnu.org; Thu, 06 Feb 2014 09:31:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WBPzR-0005K8-Bm for qemu-devel@nongnu.org; Thu, 06 Feb 2014 09:31:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:9193) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBPzR-0005K1-3Y for qemu-devel@nongnu.org; Thu, 06 Feb 2014 09:31:41 -0500 Message-ID: <1391697093.17309.48.camel@nilsson.home.kraxel.org> From: Gerd Hoffmann Date: Thu, 06 Feb 2014 15:31:33 +0100 In-Reply-To: <1391694723.25128.14.camel@kazak.uk.xensource.com> References: <52F347C3.9030600@msgid.tls.msk.ru> <1391676619.17309.39.camel@nilsson.home.kraxel.org> <52F38939.8010704@msgid.tls.msk.ru> <1391692554.25128.7.camel@kazak.uk.xensource.com> <52F38E65.4010003@msgid.tls.msk.ru> <1391694723.25128.14.camel@kazak.uk.xensource.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] 128Kb bios size and older machines? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Ian Campbell Cc: Michael Tokarev , qemu-devel Hi, > I'm not sure why the BIOS size is relevant to migration anyway, Xen > doesn't load a new BIOS on the target host, the BIOS image is part of > the migrated RAM. The memory layout is different with a larger bios as qemu makes the virtual flash as big as the bios image is. The different memory layout in turn makes live migration fail. cheers, Gerd